New Method Offers Insight into Radiation Damage to DNA

A new technique for assessing the damage radiation causes to DNA indicates that the spatial arrangement of damaged sites, or lesions, is more important than the number of lesions in determining the severity of the damage. The technique, developed by scientists at the U.S. Department of Energy (DOE)'s Brookhaven National Laboratory, helps reveal why high-energy charged particles such as the heavy ions in outer space are more potentially harmful than lower-energy forms of radiation such as x-rays and gamma rays.

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<p><a href="http://www.physorg.com/news125327004.html">New Method Offers Insight into Radiation Damage to DNA</a></p> <p>A new technique for assessing the damage radiation causes to DNA indicates that the spatial arrangement of damaged sites, or lesions, is more important than the number of lesions in determining the severity of the damage. The technique, developed by scientists at the U.S. Department of Energy (DOE)'s Brookhaven National Laboratory, helps reveal why high-energy charged particles such as the heavy ions in outer space are more potentially harmful than lower-energy forms of radiation such as x-rays and gamma rays.</p>